PC4711-W
Single-Phase WiFi Open API Smart Energy Meter
UniClip Open on WiFi only: single-phase metering straight to your own cloud over HTTP, MQTT or Modbus TCP, with no app and no vendor cloud.
Overview
Coming soon. The PC4711 Open API models are not shipping yet — availability is confirmed with your sales contact. The specifications below describe the released design, so the page can be used for planning and comparison.
PC4711-W (UniClip Open) is the Wi-Fi member of the Open API range: a single-phase meter that reports to your infrastructure rather than a vendor cloud, over HTTP, MQTT and Modbus TCP, with no app and no cloud account.
Two things change compared with the Tuya models: the data path, with nothing between the meter and your server, and the reporting interval, which is a parameter of your integration rather than a platform decision - on top of a 50 ms data refresh. If the platform side is a wired bus, take PC4711-W-485 instead.
PC4711-W Platform and Integration Notes
The reporting interval is yours to set, in your integration, on top of a 50 ms data refresh — no platform decides it for you.
Up to two open-type CTs, 20 A to 300 A, clipped around the existing conductors without rewiring. Voltage is measured to ±1%, current to ±1% at rated and ±2% at low current.
Full remote management. OTA firmware, CT configuration, data erase and remote reboot are all reachable over the network.
Bidirectional metering. Consumption and solar production on the same single-phase circuit are both recorded.
PC4711-W Limits and What to Specify Instead
- RS485 / Modbus RTU — not fitted. The PC4711-W-485 adds the serial bus and keeps the Wi-Fi path.
- Three-phase supplies — the Open API equivalents are the PC4713-W and PC4713-W-485; a 3P3W or delta service needs the Tuya-series PC4713-W-E-TY/3W.
- Relay output — no model in the Open API range carries a dry contact.
- The Tuya App and Tuya Cloud history — this meter reports to your infrastructure instead.
Specifications
| Accuracy | ±1% (Voltmeters) |
|---|---|
| Ammeter Accuracy | 80A CT: ±1% (1-80A), ±2% (0-1A); 120A CT: ±1% (2-120A), ±2% (0-2A); 200A CT: ±1% (2-200A), ±2% (0-2A); 300A CT: ±1% (6-300A), ±2% (2-6A), ±5% (0-2A) |
| Voltage | 90~277 Vac 50/60Hz |
| Current | 20A~300A (CT dependent) |
| Frequency | 50/60Hz |
| Power Supply | <2W |
| Protocol | WiFi 802.11 b/g/n @ 2.4GHz (HTTP / MQTT / Modbus TCP) |
| Wi-Fi | 802.11 b/g/n @ 2.4GHz |
| Data Refresh | 50ms |
| Supported Systems | Single-Phase |
| Mounting | 35mm DIN rail mounting |
| Dimensions | 19(W) x 69(D) x 90(H) mm |
| Operating Temp | -20℃ to +55℃ (≤90% non-condensing) |
| Measured Parameters | Voltage, Current, Power Factor, Frequency, Active Power, Reactive Power, Apparent Power; Energy Usage / Solar Production |
| Reporting Cycle | Set in integration |
| offlineStorage | Minute-level, auto re-report after reconnection |
| hosting | No app required - configure from a browser over the device hotspot |
| Certification | CE |
| Place of Origin | China |
| Brand | OWON |
Key Benefits
Your Data Stays Yours
HTTP, MQTT or Modbus TCP straight to your own cloud or local server, with no third-party cloud in the path.
No App and No Account
The meter serves its own configuration page over its hotspot — nothing to install on a customer phone.
Four-Quadrant With Demand
Switchable RMS / PQS modes plus current and maximum demand, for import, export and reactive analysis.
Minute-Level Offline Storage
Buffered locally at minute intervals and re-reported after a reconnect, so a dropout does not become a hole in the dataset.
Ideal For
Common deployment scenarios where Single-Phase WiFi Open API Smart Energy Meter delivers the most value.
Single-Phase Solar and Storage
Reporting into an operator own platform over HTTP, MQTT or Modbus TCP.
Tenant Billing on Own Infrastructure
Data stays on the customer systems rather than a third-party cloud.
Home Assistant and Self-Hosted Dashboards
The meter is configured in a browser and feeds a local system directly.
Anti-Backflow on a Single Phase
50 ms data refresh and a reporting interval set by the integration.
EV Charging Submetering
Four-quadrant measurement with current and maximum demand.
Distributor and OEM Programmes
Neutral standard units, with branding and packaging available.
Frequently Asked Questions
Does it need a cloud account or a vendor app?
Can it send data to my own server instead of a vendor cloud?
How is the reporting interval set?
When should I take the -485 version instead?
What happens if the network drops?
Can the meters be pre-configured to our broker before shipping?
Which protocol documents do you provide?
My site could use either a single-phase or a three-phase meter — how do I choose the family?
Can it be re-flashed to the Tuya version later?
Is the link encrypted, and does it support client certificates?
PC4711 Series — choose the right variant
| PC4711-W — this page | WiFi + open protocol (HTTP / MQTT / Modbus TCP) |
|---|---|
| PC4711-W-TY | WiFi + Tuya Cloud |
| PC4711-W-TY/R | + dry-contact relay (remote on/off) |
| PC4711-W-E-TY | + wired Ethernet 10/100 |
| PC4711-W-E-TY/R | + Ethernet + dry-contact relay |
| PC4711-W-TY/3CT | + 3 CT channels (three single-phase circuits) |
| PC4711-W-485 | + RS485 Modbus RTU (BMS / SCADA) |
Not sure which variant fits your project? See the PC471 selection guide.
Related Products
Interested in Single-Phase WiFi Open API Smart Energy Meter?
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